40011256 has 8 divisors (see below), whose sum is σ = 75021120. Its totient is φ = 20005624.

The previous prime is 40011233. The next prime is 40011281. The reversal of 40011256 is 65211004.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500696 + ... + 2500711.

It is an arithmetic number, because the mean of its divisors is an integer number (9377640).

Almost surely, 2^40011256 is an apocalyptic number.

It is an amenable number.

40011256 is a deficient number, since it is larger than the sum of its proper divisors (35009864).

40011256 is a wasteful number, since it uses less digits than its factorization.

40011256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5001413 (or 5001409 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 40011256 is about 6325.4451226771. The cubic root of 40011256 is about 342.0272654755.

The spelling of 40011256 in words is "forty million, eleven thousand, two hundred fifty-six".